diff --git a/scripts/data_files/error.fmt b/scripts/data_files/error.fmt
index 61f63cf..98b5765 100644
--- a/scripts/data_files/error.fmt
+++ b/scripts/data_files/error.fmt
@@ -33,7 +33,11 @@
 
 #include <string.h>
 
-#if defined _MSC_VER && !defined  snprintf
+#if defined(EFIX64) || defined(EFI32)
+#include <stdio.h>
+#endif
+
+#if defined(_MSC_VER) && !defined  snprintf
 #define  snprintf  _snprintf
 #endif